Oracle 11g RAC database creation times ORA-00119 and ORA-00132 errors

Oracle 11g RAC database creation times ORA-00119 and ORA-00132 errors When the Grid is installed on Oracle 11g RAC and the library software is also created, the following error is reported when the database is created: ORA-00119: Invalid

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Dbms_metadata.get_ddl usage Summary In daily work, some people often use tools to view the definition of objects. In fact, it is annoying to view objects in this way. At work, some colleagues asked me how to get the object definition. Today I will

InnoDB two-phase log Submission mechanism

InnoDB two-phase log Submission mechanism ViewThe innodb_flush_log_at_trx_commit official website has some questions.For more information about the innodb_flush_log_at_trx_commit parameter, see the official website.One of them is written as follows:

ORA-02270: the unique keyword or primary key of this column list does not match some ideas

ORA-02270: the unique keyword or primary key of this column list does not match some ideas ORA-02270: the unique keyword or primary key of this column list does not match some ideas View the structure of two tables SQL> describe student; Name Type

ERROR 5.7 (HY000) when setting a simple password in MySQL 1819)

ERROR 5.7 (HY000) when setting a simple password in MySQL 1819) ERROR 5.7 (HY000) when setting a simple password in MySQL 1819: Your password does not satisfy the current policy requirements. [Problem] Sometimes, you only want to test the password

Oracle Index Clustering Factor (cluster Factor)

Oracle Index Clustering Factor (cluster Factor) I. Description: During the test today, we found that there was an index on the field, but the execution plan did not go through the index. After searching on the internet, we found that it was caused

How to install Oracle 11gR2 in Ubuntu 16.04

How to install Oracle 11gR2 in Ubuntu 16.04Overview Ubuntu: ubuntu-16.04.3-desktop-amd64 Oracle: linux. x64_11gR2_database ------------------------------------------ Split line ------------------------------------------ Related File Download

Restoration of corrupted Oracle database file blocks

Restoration of corrupted Oracle database file blocks Data Recovery Fault Description: When Oracle database is enabled, the error "system01.dbf requires more recovery to maintain consistency and the database cannot be opened" is reported ".

Solution for MySQL ibdata1 files being too large

Solution for MySQL ibdata1 files being too largeHandling the problem that the ibdata1 file of MySQL is too large I encountered a MySQL database installed in yum when installing zabbix monitoring. Later I used it for a while to find that the ibdata1

Multi-source replication solution for MySQL Databases

Multi-source replication solution for MySQL Databases Overview Currently, mysql databases in the production environment are distributed on two servers. If the configuration is simple from a single master-slave perspective, the databases of the two

How to unlock accounts in Oracle databases

How to unlock accounts in Oracle databases When creating an Oracle database, SYS logs on to the Oracle database and unlocks it using the SQL * Plus tool as follows. 1. Use the data dictionary dba_users to check the locking status of the Oracle

Oracle background process function description

Oracle background process function description 1. SMON: System Supervision Process1. It mainly refers to the submitted data, but the data file has not been written to the power-off, and the smon will be restored upon restart.A. Perform rollback to

When importing data from IMP in Oracle, hybriddb for MySQL prompts that the character set is inconsistent.

When importing data from IMP in Oracle, hybriddb for MySQL prompts that the character set is inconsistent. The imp import and exp export functions of Oracle are often used in the production environment for data migration. The character set is

MySQL 5.6.38 optimized instance 1

MySQL 5.6.38 optimized instance 1 Introduction: in daily MySQL SQL statement optimization, you will always encounter various problems. Today, we have encountered a strange problem. Here we will record it for your convenience. MySQL version: MySQL 5.6

Amoeba for MySQL database read/write splitting

Amoeba for MySQL database read/write splitting I. Environment and software version:System: CentOS Linux release 7.2.1511 (Core)Mysql: Server version: 5.6.33Amoeba: amoeba-mysql-3.0.5-RC-distributionJDK: 1.7.0 _ 80-b15 (jdk is required for running

Using rename table in MySQL to quickly and efficiently RENAME a database (schema)

Using rename table in MySQL to quickly and efficiently RENAME a database (schema) Once a new database (schema) is created in MySQL, it cannot be renamed, therefore, if you need to rename a database, the general practice is to dump the data in the

Stored Procedures for completely copying table structures in Oracle

Stored Procedures for completely copying table structures in Oracle Recently, when dealing with an Oracle table sharding problem, we need to create an automatic table sharding Stored Procedure for the program. We need to ensure that all the table

Install and configure MariaDB on RHEL/CentOS

Install and configure MariaDB on RHEL/CentOS MariaDB is an open-source relational database and a MySQL database branch version developed by the community. MariaDB has replaced MySQL as the default database in RHEL/CentOS 7. In this tutorial, we will

MySQL Group Commit Group submission details

MySQL Group Commit Group submission details Group commit is used to optimize disk flushing during log writing. It supports only InnoDB redo log group submission at the beginning, and supports redo log and binlog group submission at the same time in

Rapid deployment of MySQL Databases in Linux

Rapid deployment of MySQL Databases in Linux1. Download the corresponding software version : Http://mirrors.sohu.com/mysql/MySQL-5.6/ [root@localhost ~]# wget -q http://mirrors.sohu.com/mysql/MySQL-5.6/sql-5.6.36-linux-glibc2.5-x86_64.tar.gz Ii.

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